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This paper introduces RC4 stream cipher which is widely used in the TLS/SSL protocol and several weaknesses in its algorithm. In order to enhance the security of RC4, this paper proposes a new masking scheme using random number for both input key and the internal states of RC4. This improved RC4 has destroyed the foundation of many attacks on RC4, especially the template attack. The new algorithm...
In a high performance network security co-processor, the low power masking technique is used to promote the power attack resistant level of the AES crypto engine. Based on the original AES module which shares one S-box when ciphering and decoding, in order to achieve higher security, the novel circuit design of masking is achieved by two ways respectively, one utilized SRAM, the other replicated some...
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